Difference between dream and in a dream in Korean
꿈·꿈속

꿈dream
Dream (꿈) usually means the pictures and stories you see in your mind when you sleep. You can use it in sentences like “have a dream” or “see a dream.” It can also mean your hope for the future, like a job or life goal.

꿈속in a dream
The word (꿈속) means "in a dream." You use it to talk about something that happens while you are sleeping and dreaming, not in real life. It is often used with actions like see, meet, go, or talk.
The difference
dream (꿈) and in a dream (꿈속) are nearby Korean vocabulary items learners often meet together. Use “dream” when Dream (꿈) usually means the pictures and stories you see in your mind when you sleep. You can use it in sentences like “have a dream” or… Use “in a dream” when The word (꿈속) means "in a dream." You use it to talk about something that happens while you are sleeping and dreaming, not in real life.…